Area Code 351 Phone Number
for Your Business
Get a local 351 number for your business in Lowell, MA. Cloud VoIP with SMS, an auto attendant (IVR), and more — starting at $30/ext/mo. No contracts.
What Is Area Code 351?
Area code 351 is a North American telephone area code serving Lowell, Massachusetts. It has been in service since May 2, 2001 and operates on Eastern Time. It is part of the 351/978 overlay complex. Businesses operating in the 351 area code region use local numbers to build trust with customers, improve answer rates, and establish a professional local presence.
With Zonitel, you can get a new 351 area code number or port your existing one with guided onboarding — no hardware required. Your team can make and receive calls from any device using the Zonitel mobile app or web portal.
Area Code 351 at a Glance
- Region
- North Shore / Lowell (overlay), Massachusetts
- In service
- Since May 2, 2001
- Time zone
- Eastern Time
- Overlay
- Shares its territory with 978; local calls use 10-digit dialing
- History
- Added on May 2, 2001 as an overlay of 978
- Telemarketing hours
- 8 a.m.–9 p.m. Eastern Time for residential numbers (TCPA, 47 CFR 64.1200(c)(1))
Why Your Business Needs a 351 Local Number
A local number tells customers you're part of the community. People in Lowell are more likely to pick up a call from a 351 number they recognize than from an unfamiliar out-of-area number.
Everything Included With Your 351 Number
Zonitel is not just a phone number — it's a complete cloud business phone system. Every plan includes:
Frequently Asked Questions About Area Code 351
What cities use area code 351?
Area code 351 serves the North Shore / Lowell (overlay) area of Massachusetts. Cities in the 351 region include Lowell, MA.
Is area code 351 an overlay?
Yes. 351 is part of the 351/978 overlay, so new numbers in this region can come from any of those area codes, and local calls require 10-digit dialing.
What time zone is area code 351 in?
Area code 351 is in Eastern Time. Telemarketing calls to residential 351 numbers are limited to 8 a.m.–9 p.m. Eastern Time under the TCPA (47 CFR 64.1200(c)(1)).
Can I get a 351 number for my business without moving there?
Yes. With Zonitel's cloud VoIP, you can get a 351 area code number regardless of where your business is physically located. This lets you establish a local presence in Lowell without a physical office.
Can I keep my existing 351 number and switch to Zonitel?
Yes. Number porting is free. Porting commonly takes 5–10 business days depending on your current carrier, and your old service stays active until the coordinated cutover.
How much does a 351 business phone number cost?
Zonitel plans start at $30/extension/month plus tax, with no setup fees and no contracts. Your 351 local number is included in the plan.
Get Your 351 Area Code Number Today
30-day free trial. No annual contract required. Guided onboarding.